Here's the tribes
(All of the Pokémon's names will be introduced in the next chapter)
(Form is chapter 4)

Fire tribe
Flareon
Charmander
Vulpix
Houndour

Ground tribe
Numel
Sandshrew
Sandslash
Cubone
Geodude

Water tribe
Vaporeon
Wailmer
Mudkip
Poliwhirl
Popplio

Grass tribe
Leafeon
Shroomish
Bayleef
Carvine
Cacnea

Dark tribe
Umbreon
Sableye
Deino
Poochyena
Absol

Ghost tribe
Sableye
Froslass
Gastly
Alolan Marowak
Gengar

Psychic tribe
Espeon
Ralts
Espurr
Abra
Mime Jr.

Fairy tribe
Sylveon
Cleffa
Marill
Jigglypuff
Togepi

Dragon tribe
Altaria
Dratini
Garchomp
Gabite
Bagon

Ice tribe
Glaceon
Seel
Articuno
Cubchoo
Alolan Vulpix

Electric tribe
Jolteon
Emolga
Minun
Plusle
Raichu

Normal tribe
Eevee
Rattata
Meowth
Doduo
Lopunny

Fighting tribe
Haulucha
Riolu
Combusken
Pancham
Thro

Steel tribe
Lucario
Magneton
Steelix
Skarmory
Aron

Poison tribe
Ivysaur
Beedrill
Arbok
Koffing
Foongus

Rock tribe
Ryhorn
Rydon
Onix
Rockruff
Solrock

Flying tribe
Charizard
Dodrio
Woobat
Swellow
Swablu

Bug tribe
Pinsir
Heracross
Caterpie
Butterfree
Sewaddle